Power Integrations

TOP258GN  

AC DC Converters, Offline Switches

TOP258GN Description

The TOP258GN from Power Integrations is a high-performance offline switching IC designed for flyback topology applications. This surface-mount device integrates a 700V breakdown voltage MOSFET, making it suitable for robust power conversion in isolated systems. With an output power capability of 48W, it supports efficient energy transfer while maintaining compliance with RoHS and REACH standards. The IC operates at a 66kHz switching frequency with a 78% duty cycle, ensuring stable performance in demanding environments. Packaged in a tube and rated for MSL 4 (72 hours), it is optimized for automated assembly processes.

TOP258GN Features

• Integrated 700V MOSFET: Reduces external component count and enhances reliability.
• Comprehensive Protection: Includes current limiting, over-temperature, and over-voltage fault protection for robust operation.
• High Efficiency: 66kHz switching frequency minimizes losses, improving thermal performance.
• Isolated Output: Ensures safety and compliance in power supply designs.
• Compact Design: Surface-mount 8SMD package saves board space and simplifies layout.
• Wide Input Range: Suitable for universal AC input applications (85VAC–265VAC).

TOP258GN Applications

The TOP258GN is ideal for:

• Industrial Power Supplies: Provides reliable power for control systems and automation equipment.
• Consumer Electronics: Used in adapters, LED drivers, and auxiliary power modules.
• Telecom & Networking: Supports isolated DC-DC converters in routers and switches.
• Medical Devices: Ensures safe, isolated power for sensitive equipment.
• Lighting Systems: Efficiently drives LED arrays with high power factor correction.

Conclusion of TOP258GN

The TOP258GN stands out as a versatile, high-efficiency offline switcher with integrated protection features, making it a superior choice for flyback-based power supplies. Its compact form factor, wide input range, and robust fault protection make it ideal for industrial, consumer, and medical applications. By combining Power Integrations' advanced technology with ease of integration, this IC delivers reliable performance while reducing design complexity and BOM costs.

TOP258GN Documents

Download datasheets and manufacturer documentation for TOP258GN

PCN Assembly/Origin :

PCN-23144 4/25/23       Wire Bonding Chg 21/Mar/2016      

Datasheets :

TOP252-62      

PCN Packaging :

Mult Dev Ship Pkg Chgs 25/Mar/2020      

Reference Design Library :

DER-161: 35W, 24V @ 1.4A, 90 ~ 265VAC in       RDK-142: 35W, 5V @ 2.2A, 12V @ 2A, 90 ~ 264VAC